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Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system us an example of a process?

a. Turning on the switch is a process.

b. The conversion of chemical energy to light energy is a process.

c. The light that the flashlight produces is a process.

d. Turning the switch off is a process.

You are exercising on a hot day. Your body temperature goes up. You begin to sweat. The sweat cools your body. Sweating is an example of:


My answers are b and d.

  • science -

    I think the first one is B. But I'm not for sure on that one.

    But the second one is output.

  • science -

    Ok, so what might be feedback?

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